P100500 - [AtCoder]ABC050 A - Addition and Subtraction Easy - SSOJ

Memory Limit：256 MB Time Limit：2 S

Judge Style：Text Compare Creator：

Submit：1 Solved：0

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Score : $100$ points

Problem Statement

Joisino wants to evaluate the formula "$A$ $op$ $B$". Here, $A$ and $B$ are integers, and the binary operator $op$ is either + or -. Your task is to evaluate the formula instead of her.

Constraints

$1≦A,B≦10^9$
$op$ is either + or -.

Input

The input is given from Standard Input in the following format:

$A$ $op$ $B$

Output

Evaluate the formula and print the result.

Sample Input 1

1 + 2

Sample Output 1

Since $1 + 2 = 3$, the output should be $3$.

Sample Input 2

5 - 7

Sample Output 2

-2

题意翻译

### **题目描述** #### 读入a,b,x，如果x='+'就输出a+b，否则输出a-b（注意：a和x之间有一个空格，x和b之间有一个空格！！）。 ### **输入格式** ``` a，空格，x，空格，b ``` ### **输出格式** #### a+b或a-b。 ### **输入样例1** ``` 1 + 2 ``` ### **输出样例1** ``` 3 ``` ### **输出样例2** ``` 5 - 7 ``` ### **输出样例2** ``` -2 ```

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100500: [AtCoder]ABC050 A - Addition and Subtraction Easy

Description

Problem Statement

Constraints

Input

Output

Sample Input 1

Sample Output 1

Sample Input 2

Sample Output 2

Input

题意翻译

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